# 16.18.142.81 — IP Intelligence Summary

16.18.142.81 is an IPv4 address operated by Amazon Web Services (AS16509), with approximate network location Zurich, Switzerland. Its reverse DNS name is ec2-16-18-142-81.eu-central-2.compute.amazonaws.com. As of October 6, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/16.18.142.81
- Last updated: 2026-10-06

## Ownership

- Organization: Amazon.com, Inc.
- Network name: AMAZO-4
- Allocated block: 16.15.0.0/16
- ASN: AS16509 (https://ipdebrief.com/asn/16509)
- Regional registry: ARIN
- Registered holder: Amazon.com, Inc.
- Routing operator: —
- Network registration country: United States
- Registrant address country: —
- Cloud / hosting provider: Amazon Web Services

## Location

- City: Zurich
- Region: Zurich
- Country: Switzerland
- Time zone: Europe/Zurich

Approximate network location; registration and certificate addresses are not server-location evidence.

## Network classification

- Infrastructure type: Unknown
- Datacenter / hosting: no
- Residential: no
- Mobile: no
- Anycast: Unverified (not proof of unicast)
- Tor exit node: no
- VPN: no
- Proxy: no

## Risk assessment

- Assessment: Low Risk (0/100)
- Blocklist listings: 0
- Suspicious activity indicators: no
- Spam source: no

## Reverse DNS

- ec2-16-18-142-81.eu-central-2.compute.amazonaws.com
- Forward-confirmed: yes

## Exposed services

- 443/tcp — https

## DNS posture

Mail authentication and CAA are optional domain policies, not IP-wide requirements.

- spf: Not checked
- dmarc: Not checked
- fcrDns: Not checked
- dnssec: Not checked
- caa: Not checked

## TLS observations

- CN=lms-aws-eu-central-2.roblox.com; port unknown; target —; Historical certificate; current certificate unknown; valid until 2027-04-06T23:59:59.0000000+00:00

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Source: IPDebrief, "16.18.142.81 IP intelligence", https://ipdebrief.com/16.18.142.81, updated 2026-10-06. Assessments are probabilistic.